xref: /titanic_52/usr/src/cmd/sa/timex.c (revision 035f2e822f721ed34ae26f43b287a2496ee93cb9)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
27 /*	  All Rights Reserved  	*/
28 
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include <sys/times.h>
34 #include <sys/param.h>
35 #include <sys/wait.h>
36 #include <unistd.h>
37 #include <stdio.h>
38 #include <stdlib.h>
39 #include <signal.h>
40 #include <strings.h>
41 #include <time.h>
42 #include <errno.h>
43 #include <pwd.h>
44 
45 char	fname[20];
46 
47 /*
48  * Quant[0] will get set to HZ/10 later.
49  */
50 char quant[] = { 10, 10, 10, 6, 10, 6, 10, 10, 10 };
51 
52 void printt(char *, time_t);
53 void hmstime(char[]);
54 void diag(char *);
55 
56 int
57 main(int argc, char **argv)
58 {
59 	struct	tms buffer, obuffer;
60 	int	status;
61 	register pid_t	p;
62 	int	c;
63 	time_t	before, after;
64 	char	stime[9], etime[9];
65 	char	cmd[80];
66 	extern	char	*optarg;
67 	extern	int	optind;
68 	int	pflg = 0, sflg = 0, oflg = 0;
69 	char	aopt[25];
70 	FILE	*pipin;
71 	char	ttyid[12], line[150];
72 	char	eol;
73 	char	fld[20][12];
74 	int	iline = 0, i, nfld;
75 	int	ichar, iblok;
76 	long	chars = 0, bloks = 0;
77 
78 	/* initalize quant array using the sysconf()	*/
79 	quant[0] = ((int)sysconf(_SC_CLK_TCK))/10;
80 
81 	aopt[0] = '\0';			/* terminate the string #1245107 */
82 	/* check options; */
83 	while ((c = getopt(argc, argv, "sopfhkmrt")) != EOF)
84 		switch (c)  {
85 		case 's':  sflg++;  break;
86 		case 'o':  oflg++;  break;
87 		case 'p':  pflg++;  break;
88 
89 		case 'f':  strcat(aopt, "-f ");  break;
90 		case 'h':  strcat(aopt, "-h ");  break;
91 		case 'k':  strcat(aopt, "-k ");  break;
92 		case 'm':  strcat(aopt, "-m ");  break;
93 		case 'r':  strcat(aopt, "-r ");  break;
94 		case 't':  strcat(aopt, "-t ");  break;
95 
96 		case '?':  diag("Usage: timex [-s][-o][-p[-fhkmrt]] cmd");
97 				break;
98 		}
99 	if (optind >= argc)	diag("Missing command");
100 
101 	/*
102 	 * Check to see if accounting is installed and print a somewhat
103 	 * meaninful message if not.
104 	 */
105 	if (((oflg+pflg) != 0) && (access("/usr/bin/acctcom", 01) == -1)) {
106 		oflg = 0;
107 		pflg = 0;
108 		fprintf(stderr,
109 		    "Information from -p and -o options not available\n");
110 		fprintf(stderr,
111 		    " because process accounting is not operational.\n");
112 	}
113 
114 	if (sflg) {
115 		sprintf(fname, "/tmp/tmx%ld", getpid());
116 		sprintf(cmd, "/usr/lib/sa/sadc 1 1 %s", fname);
117 		system(cmd);
118 	}
119 	if (pflg + oflg) hmstime(stime);
120 	before = times(&obuffer);
121 	if ((p = fork()) == (pid_t)-1) diag("Try again.\n");
122 	if (p == 0) {
123 		setgid(getgid());
124 		execvp(*(argv+optind), (argv+optind));
125 		fprintf(stderr, "%s: %s\n", *(argv+optind), strerror(errno));
126 		exit(1);
127 	}
128 	signal(SIGINT, SIG_IGN);
129 	signal(SIGQUIT, SIG_IGN);
130 	while (wait(&status) != p)
131 		;
132 	if ((status&0377) != 0)
133 		fprintf(stderr, "Command terminated abnormally.\n");
134 	signal(SIGINT, SIG_DFL);
135 	signal(SIGQUIT, SIG_DFL);
136 	after = times(&buffer);
137 	if (pflg + oflg) hmstime(etime);
138 	if (sflg) system(cmd);
139 
140 	fprintf(stderr, "\n");
141 	printt("real", (after-before));
142 	printt("user", buffer.tms_cutime - obuffer.tms_cutime);
143 	printt("sys ", buffer.tms_cstime - obuffer.tms_cstime);
144 	fprintf(stderr, "\n");
145 
146 	if (oflg+pflg) {
147 		if (isatty(0))
148 			sprintf(ttyid, "-l %s", ttyname(0)+5);
149 		sprintf(cmd, "acctcom -S %s -E %s -u %s %s -i %s",
150 		    stime, etime, getpwuid(getuid())->pw_name, ttyid, aopt);
151 		pipin = popen(cmd, "r");
152 		while (fscanf(pipin, "%[^\n]%1c", line, &eol) > 1) {
153 			if (pflg)
154 				fprintf(stderr, "%s\n", line);
155 			if (oflg)  {
156 				nfld = sscanf(line,
157 				    "%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
158 				    fld[0], fld[1], fld[2], fld[3], fld[4],
159 				    fld[5], fld[6], fld[7], fld[8], fld[9],
160 				    fld[10], fld[11], fld[12], fld[13], fld[14],
161 				    fld[15], fld[16], fld[17], fld[18],
162 				    fld[19]);
163 				if (++iline == 3)
164 					for (i = 0; i < nfld; i++)  {
165 						if (strcmp(fld[i], "CHARS")
166 						    == 0)
167 							ichar = i+2;
168 						if (strcmp(fld[i], "BLOCKS")
169 						    == 0)
170 							iblok = i+2;
171 					}
172 				if (iline > 4)  {
173 					chars += atol(fld[ichar]);
174 					bloks += atol(fld[iblok]);
175 				}
176 			}
177 		}
178 		pclose(pipin);
179 
180 		if (oflg)
181 			if (iline > 4)
182 				fprintf(stderr,
183 				    "\nCHARS TRNSFD = %ld\n"
184 				    "BLOCKS READ  = %ld\n", chars, bloks);
185 			else
186 				fprintf(stderr,
187 				    "\nNo process records found!\n");
188 	}
189 
190 	if (sflg)  {
191 		sprintf(cmd, "/usr/bin/sar -ubdycwaqvmpgrk -f %s 1>&2", fname);
192 		system(cmd);
193 		unlink(fname);
194 	}
195 	exit(status>>8);
196 }
197 
198 char *pad  = "000      ";
199 char *sep  = "\0\0.\0:\0:\0\0";
200 char *nsep = "\0\0.\0 \0 \0\0";
201 
202 void
203 printt(char *s, time_t a)
204 {
205 	char	digit[9];
206 	int	i;
207 	char	c;
208 	int	nonzero;
209 
210 	for (i = 0; i < 9; i++) {
211 		digit[i] = a % quant[i];
212 		a /= quant[i];
213 	}
214 	fprintf(stderr, s);
215 	nonzero = 0;
216 	while (--i > 0) {
217 		c = digit[i] != 0 ? digit[i] + '0':
218 		    nonzero ? '0':
219 		    pad[i];
220 		if (c != '\0') putc(c, stderr);
221 		nonzero |= digit[i];
222 		c = nonzero?sep[i]:nsep[i];
223 		if (c != '\0') putc(c, stderr);
224 	}
225 	fprintf(stderr, "%c", digit[0] * 100/HZ + '0');
226 	fprintf(stderr, "\n");
227 }
228 
229 /*
230  * hmstime() sets current time in hh:mm:ss string format in stime;
231  */
232 
233 void
234 hmstime(char stime[])
235 {
236 	char	*ltime;
237 	time_t tme;
238 
239 	tme = time((time_t *)0);
240 	ltime = ctime(&tme);
241 	strncpy(stime, ltime+11, 8);
242 	stime[8] = '\0';
243 }
244 
245 void
246 diag(char *s)
247 {
248 	fprintf(stderr, "%s\n", s);
249 	unlink(fname);
250 	exit(1);
251 }
252